package demo20;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

public class demo20_1 {
    public static void main(String[] args) {
        List<String> names = new ArrayList<>();
        Collections.addAll(names, "张三丰","张无忌","周芷若","赵敏","张强");
//        List<String> list = new ArrayList<>();
//        for (String name : names) {
//            if (name.startsWith("张") && name.length() == 3){
//                list.add(name);
//            }
//        }
//        System.out.println(list);

        List<String> list2 = names.stream().filter(s -> s.startsWith("张") && s.length() == 3).collect(Collectors.toList());
        System.out.println(list2);


    }

}
